Bill Gates donates to Alzheimer's research - NBC Right Now/KNDO/KNDU Tri-Cities, Yakima, WA |

Bill Gates donates to Alzheimer's research

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UNITED STATES - Microsoft co-founder Bill Gates is donating over $100 million of his own money to Alzheimer's research.

Gates says he'll first invest $50 million in the Dementia Discovery Fund, which is a collaboration of drug makers, government, and charity. The rest will be put into start-up companies working on some less mainstream approaches to Alzheimer's disease.

Dementia affects close to 50 million people worldwide, and is expected to drastically increase over the next 30 years.

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